From 4db017dac3b5ee584cb3a8bff39d82a0ee057c3b Mon Sep 17 00:00:00 2001
From: Ross Thompson <ross1728@gmail.com>
Date: Tue, 27 Sep 2022 17:24:35 -0500
Subject: [PATCH] Possible fix for ifu/lsu arbiration issue.

---
 pipelined/src/ebu/ebu.sv | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pipelined/src/ebu/ebu.sv b/pipelined/src/ebu/ebu.sv
index 6def3a96e..e8d35c9ff 100644
--- a/pipelined/src/ebu/ebu.sv
+++ b/pipelined/src/ebu/ebu.sv
@@ -97,6 +97,8 @@ module ebu
   logic [2:0]                 LocalBurstType;
   logic                       CntReset;
   logic [3:0]                 Threshold;
+  logic                       IFUReqD;
+  
   
   assign HCLK = clk;
   assign HRESETn = ~reset;
@@ -195,7 +197,10 @@ module ebu
   // Controller 1 (LSU)
   assign save[1] = 1'b0;
   assign restore[1] = 1'b0;
-  assign dis[1] = 1'b0;
+  assign dis[1] = CurrState == ARBITRATE ? 1'b0 : (IFUReqD & ~(HREADY & FinalBeat));
   assign sel[1] = NextState == ARBITRATE ? 1'b1: LSUReq;
 
+  flopr #(1) ifureqreg(clk, ~HRESETn, IFUReq, IFUReqD);
+  
+
 endmodule